linux-kernel - Re: [PATCH] staging: dgnc: dgnc_tty.c: Avoid '(' at the end of line

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Date:   Sun, 22 Jul 2018 00:50:25 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nishad Kamdar <nishadkamdar@...il.com>,
        Lidza Louina <lidza.louina@...il.com>,
        Mark Hounschell <markh@...pro.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: dgnc: dgnc_tty.c: Avoid '(' at the end of line

On Sun, 2018-07-22 at 09:39 +0530, Nishad Kamdar wrote:
> Bring the first argument to the previous line and
> align the other lines to match open parenthesis.
[]
> diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
[]
> @@ -883,10 +883,9 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
>  	 * touched safely, the close routine will signal the
>  	 * ch_flags_wait to wake us back up.
>  	 */
> -	rc = wait_event_interruptible(
> -				ch->ch_flags_wait,
> -				(((ch->ch_tun.un_flags |
> -				ch->ch_pun.un_flags) & UN_CLOSING) == 0));
> +	rc = wait_event_interruptible(ch->ch_flags_wait,
> +				      (((ch->ch_tun.un_flags |
> +				      ch->ch_pun.un_flags) & UN_CLOSING) == 0));


This would be better without the superfluous () and perhaps use !

	rc = wait_event_interruptible(ch->ch_flags_wait,
				      !((ch->ch_tun.un_flags |
					 ch->ch_pun.un_flags) & UN_CLOSING));